低云

再往上看天气变化——低云笼罩着山坡,山坡上覆盖着茂密的草。

Further up , the weather changes — low clouds envelope the mountainsides , which are covered with thick grass ．

低云逼迫维拉德玛M。马里宁中尉在柏林上空投弹前下降2700英尺。

Low clouds forced Lieutenant Vladimir M.Malinin to descend to2,700 feet before dropping his bombs over Berlin .

云对紫外辐照度有很大的影响，而且低云对UV辐照度的削弱作用大于中云的削弱作用。

And the cloud has an evident influence on the UV irradiance .

日本GMS低云风在北太平洋西部低层流场分析中的应用

Application of Japanese GMS Low Cloud Winds to Low-Level Wind Field Analysis of North Western Pacific

依据已经建立起来的昆明地区紫外辐射传输方案，计算并讨论了大气中中低云、气溶胶粒子以及不同地理纬度和海拔高度对UV辐照度的影响。

Based on the model calculation the surface biologically-active UV irradiance in Kunming area , the influence of clouds with low and middle heights 、 aerosol 、 latitude 、 altitude have been discussed .

介绍了利用GMS-5卫星云图资料获得晴空、半透明云或碎云和高、中、低云的方法。

This paper presents the method for the generation of clouds based on GMS5 images .

日本GMS低云风的若干统计特征及应用于北太平洋西部风场分析的初步试验

Some statistical characteristics and prelimimary study of application to low level wind field analysis over East Asia and western North Pacific based on Japanese CMS low cloud winds

从模式计算和试验的初步结果可以看出：对于低云和中云，地基观测的Tb对CBH的变化有相当的敏感性，因此可以用于CBH的反演。

The results of simulation and preliminary experiments show that for low and middle clouds , the sky Tb observed on the ground is very sensitive to the variation of CBH , therefore it can be used to estimate CBH .

通过分析近45a江西地区山丘、平地和环湖站点低云、辐射、气温之间的气候变化关系，发现，1959~1971年，江西地区低云量减少时，气温下降；

The relation between lower cloud-cover , irradiation and temperature observation over the massif , plain stations and stations around Poyang Lake in Jiangxi region during recent 45 years is analyzed .

低云中短波红外表观辐射模型研究

Infrared apparent radiation model in short and middle wave for low cloud

江西地区低云辐射气温变化特征的初步分析

A primary analysis for the change of lower cloud cover-irradiation-temperature over Jiangxi region

一个统计低云方案及其在大气环流模式中应用初探

A statistical low-level cloud scheme and its tentative application in a general circulation model

冷流低云降雪成因的分析

An Analysis on the Cause of the Cold Current and Low - level Cloud Snowfall

广州白云机场2006年3月6日低云低能见度过程分析

Analysis of a Low Cloud and Low Visibility Weather Process at Guangzhou Baiyun Airport on March 3,2006

低云能够加热沙漠和海洋上空的沙尘大气，冷却地面和洋面。

Low cloud heats the dust atmosphere over desert and ocean while cool the surface of land and ocean .

本文主要对山东半岛东部、北部及渤海海峡地区的地方性天气&冷流低云，作了初步的分析。

The cold low cloud over the east and the north of Shandong Peninsula and Bohai Sea is analysed .

全球典型低云区中各类低云云量与水平温度平流关系的单点个例分析

Case Study on the Relationship Between Various Low Cloud Amounts and Horizontal Temperature Advection in Global Typical Low Cloud Regions

因为频繁的暴风雨和低云层不利于空军行动，菲利普斯决定向前追赶。

As the frequent rain squalls and low clouds were unfavourable for air action , Phillips resolved to press on .

结果表明，此次雾过程首先由地面辐射冷却形成贴地雾层，而后因低空平流冷却形成低云。

Formed through radiative cooling , the surface fog layer was followed by a cloud layer caused by lowlevel cold advection .

山东半岛东部、北部地区冬季冷流低云的探讨

The analyses of the cold - low - cloud in the winter over the East and the north of the Shandong Peninsula

实例分析结果表明，这种多通道雾监测方法提高了白天卫星识别低云和大雾的能力。

The analysis shows that the monitoring method can improve the capability of daytime heavy fog and low cloud monitoring through satellites .

同时，该算法还可以有效地降低云计算环境下实例密集型工作流实例的执行时间和执行成本。

At the same time , the algorithm can effectively reduce execution time and execution cost of instance-intensive workflow in the cloud computing environment .

在典型观测模式下建立了低云的表观光谱辐射模型，研究了对云背景辐射有贡献的各个辐射分量的计算方法。

An apparent radiation model for typical detection is presented in this article , and the calculations of radiation contribute to the cloud radiation is studied .

总云量在最近20年间呈现出极缓慢的减少趋势，其中低云和高云均有小幅减少，而中云数量略有增加。

A slightly decreasing trend was found for total clouds , low-clouds and high-clouds , while there is a small increase in middle-clouds during the past two decades .

应用模式识别中区域聚类法即最近邻简单试探法和K-均值聚类算法来完成高云、中云、低云和地表的区分。

In this paper , we use direct classification and K means algorithm to distinguish the high cloud , meddle cloud , low cloud and earth ′ s surface .

不仅反演的中、高云区域与实测比较一致，而且反演的低云区域也比较一致。

It is not only consistent with the result of the real observation and the high cloud area , but also accorded with the distribution of the low cloud area .

高、低云母干预及逆转组血清表皮生长因子明显高于正常组（P<0.01）及模型组（P<0.05）；

In both prevention and reverse groups , serum EGF level was higher than that in normal ( P < 0.01 ) and model control group ( P < 0.05 ) .

本文计算了冬、夏两季在平原和高原地区分别有低云、高云和当高、低云同时出现时的短波辐射增热率，长波辐射冷却率以及高低云之间的相互影响。

The atmospheric radiative heating and cooling rates are calculated when one layer high cloud or low cloud appears or two layers of cloud appear simultaneously in plain and plateau areas .

模拟结果表明，边界层内低云和气溶胶都能使地面和土壤温度下降；

Results show that the temperatures at the ground surface and in the soil decrease due to the inclusion of aerosols into the boundary layer , low-level clouds also cools the subcloud atmosphere .

结果表明，本文所采用的方法对气溶胶含量较少时的大气消光系数反演较好，当天空出现低云或气溶胶浓度过高时，则会出现消光系数截断的现象。

Results show that the method used in the paper is able to retrieve extinction coefficient well . However , when there is low cloud or high aerosol concentration , the extinction coefficient truncation appears .